Flexible Terahertz Waveguide Using Segmented Tube and Dielectric Threads
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Solution Overview
Problem
Existing waveguides for terahertz frequencies are rigid and expensive, lacking flexibility and experiencing high losses and radiation when bent or twisted, which is not suitable for applications requiring mechanical adaptability.
Innovation Solution
A flexible waveguide assembly with a dielectric waveguide core enclosed in a segmented tube, where the core is supported by threads or filaments, allowing for bending and twisting without significant loss of signal quality, and featuring a gas layer to minimize radiation and cross-coupling, with the tube segments being mechanically connected to maintain mechanical support and protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a rigid waveguide structure is used for terahertz frequencies, then transmission quality is sufficiently high, but the waveguide cannot be bent or twisted
Solution Approach 1:
The waveguide is divided into multiple rigid segments that are connected by flexible joints. Each segment maintains the rigid structure necessary for high transmission quality, while the joints between segments provide the flexibility to bend and twist the overall waveguide to adapt to mechanical tolerances and spatial requirements.
2Adaptability or versatility
If a corrugated tube is used to increase flexibility, then the tube can be bent, but losses increase and radiation levels become high
Solution Approach 1:
The waveguide is divided into multiple rigid segments that are connected by flexible joints. Each segment maintains the rigid structure necessary for high transmission quality, while the joints between segments provide the flexibility to bend and twist the overall waveguide to adapt to mechanical tolerances and spatial requirements.
3Adaptability or versatility
If a dielectric waveguide with corrugated outer contour is used, then flexibility is improved, but losses are comparatively high and radiation levels are high
Solution Approach 1:
The waveguide is divided into multiple rigid segments that are connected by flexible joints. Each segment maintains the rigid structure necessary for high transmission quality, while the joints between segments provide the flexibility to bend and twist the overall waveguide to adapt to mechanical tolerances and spatial requirements.
4Adaptability or versatility
If a dielectric waveguide supported by posts is used, then the waveguide can be bent, but complex support means are required and the waveguide must be kept distant from other objects
Solution Approach 1:
The waveguide is divided into multiple rigid segments that are connected by flexible joints. Each segment maintains the rigid structure necessary for high transmission quality, while the joints between segments provide the flexibility to bend and twist the overall waveguide to adapt to mechanical tolerances and spatial requirements.
5Adaptability or versatility
If a cable with multiple layers around the dielectric core is used, then the cable can be bent and handled like a cable, but unwanted losses occur at higher frequencies and the structure is complex and expensive
Solution Approach 1:
The waveguide is divided into multiple rigid segments that are connected by flexible joints. Each segment maintains the rigid structure necessary for high transmission quality, while the joints between segments provide the flexibility to bend and twist the overall waveguide to adapt to mechanical tolerances and spatial requirements.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a cost-effective, flexible waveguide for gigahertz and terahertz frequencies that can be easily bent and twisted, maintaining low signal attenuation and reducing radiation and cross-coupling effects, thus addressing the limitations of existing waveguides.
Implementation Method 1
A flexible waveguide for guiding electromagnetic waves in the terahertz range... based on a dielectric waveguide
Implementation Method 2
featuring a gas layer to minimize radiation and cross-coupling
Data Source
AI summary
A flexible and twistable terahertz waveguide assembly has a flexible waveguide with waveguide flange connectors at its ends. The flexible waveguide comprises a segmented tube of a plurality of tube segments which are connected to each other. The tube encloses a dielectric waveguide which is held by means of threads (filaments) at the center of the tube. The individual segments are tiltable and/or pivotable against each other, allowing bending and twisting of the waveguide cable.